Home / 57,260.82-79,011.30-32,729.86

Finding the Fourth Proportional to 57,260.82, 79,011.30 and 32,729.86

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Solution

The fourth proportional to 57,260.82, 79,011.30 and 32,729.86 is: 45,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,260.82 : 79,011.30 = 32,729.86 : x
  2. Step 2: Convert to fraction form
    57,260.82/79,011.30 = 32,729.86/x
  3. Step 3: Cross multiply
    57,260.82x = 79,011.30 × 32,729.86
  4. Step 4: Simplify right side
    57,260.82x = 2,586,028,787.42
  5. Step 5: Solve for x
    x = 2,586,028,787.42/57,260.82
  6. Step 6: Final answer
    x = 45,162.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.